By default Windows 8 doesn’t have a Start Menu to display non-metro apps you’ve installed (though the Programs and Features in Control Panel displays programs installed by you) but WDP comes pre-installed with Metro style and other Windows app, you can view all installed apps in windows 8 easily, here is how.
1. Use Win + F command to open the search pane,
2. Click Apps, installed apps and programs will be shown in alphabetical order (A-z), you can use the scroll bar at the bottom to see apps on the screen. You can pin, unpin and uninstall them by right-clicking on the app.